Truck-frame and bolster.



. H. VOSS.

TRUCK FRAME AND. BOLSTER.

APPLlcATloN man :un: 1. 191s.

Patented Sept; 1s, 1917,

3 SHEETS- SHEEf l.

INVENTOH Albert [i Voss WITNESSES ATTORN EY.

A. H. Voss.

4 TRUCKV FRAME AND HOLSTER.-

APPLICATION FILED JUNE l. 1916.

Patented Sept. 18, 1917.

` 3 SHEETS-SHEET 2.

-lNvlaNon Albert Vss ATTORNEY AgH. Voss. TRUCK FRAME AND BOLSTER.

APPLICATION FILED JUNE l. 1916.

Patented Sept. 18, 1917.

3 SHEETS-SHEET 3.

WITNESSES ATTORNEY v UNITED STATES ALBERT H. VOSS, OF DAVENPORT, IOWA.

TRUCK-FRAME AND BOLSTER.

To all 'whom t may concern:

Be it known that I, ALBERT I-I. Voss, a citizen of the United States,residing at Davenport, in the county of Scott and State of Iowa, haveinvented certain new and useful Improvements in Improved Truck- Framesand Bolsters, of which the following is a specification.

This invention comprehends rnew and useful improvements in railway truckframes and bolsters; and it'contemplates, primarily, the provision of anovel form of truck frame which, by reason of its peculiar construction,may be arranged to support and coperate with the bolster, while thelatter is arranged so as to compensate for the traffic shocks incidentto the operation of the car or other structure upon which the device iscarried.

A further object of my invention is to provide a device of the type inquestion that is extremely simple in construction, strong and durable,and highly practical from both the standpoint ofthe manufae turer andthe standpoint of the user; and which, it is believed, may bemanufactured at comparatively low cost.

Various other objects andA advantages will become apparent during thecontinuance of the following description.

These objects are accomplished by such means as are shown in theirpreferred form in the accompanying drawings, described in` the followingspecification and then more specifically pointed out in the appendedclaims. j

In the accompanying drawings, wherein like characters designate likeparts through-y out the several views Figure 1 is a view in plan of myimproved truck frame and bolster, showing the same as in their preferredembodiment; y

Fig. 2 is a view in side elevation showing the truck frame more indetail;

Fig. 3 is a fragmentary view showing more clearly the relative positionof the end of the bolster with respect tothe truck frame;

Fig. 4 is a cross sectional view taken on line 4 4 of Fig. 2; Y

Fig. 5 is a view in cross section taken on line 5-5 of Fig. 2; y

Fig. 6 is a view in cross section taken on line 6-6 of Fig. 2';

' Fig. 7 is a view in detail of the improved bolster;

specification of Letters Patent.

Patented Sept. 18, 1917.

Application mea :rune 1, 1916. seriai No. 101,147.

Fig. 8 is a view in perspective of an improvedl` carrying plate that isassociated with the bolster;

Fig. 9 is a view in perspective of an improved bearing or boxing thatcoperates with the bolster;

Fig; 10 is a view in perspective showing in detail an improvedconnecting member that is employed as shown in F-ig. 3.

Fig. 11 is a detail view of one of the fulcrum castings also illustratedin Figs. 1 and 7.

Fig. 12 is a detail view illustrating one of the connection chains andlinks to be associated with the elements 18 and 49 illustrated in Fig. 7

In the present embodiment, 10 designates the truck frame, of myinvention, in its entirety, while the numeral 11 designates the bolster.Since the respective truck frames that are usually employed inconnection with a bolster of the type shown are of substantially thesame configuration, and construction, only one of such frames will beherein described in detail.

Referring firstly to the truck frame, 12

designates the skeleton body portion thereof` that is preferably formedof cast metal and hollowed out a greater portion of its longitudinalextent in order to provide an open, inexpensive, yet durable structure.Body l2 has located therein, a transverse partition 13 (refer to Fig. 5)the same terminating approximately halfway between the top and bottomsides of the body member, and having a cross slot 14 provided therein,as illustrated.

A depending enlargement 16 is located on the under face of body member12, substantially midway its ends, said enlargement having providedtherein, suitable disposed cut outs 17 (refer to Fig. 4:) thataccommodate certain coperating parts of the device, subsequentlydescribed. By reason of the construction above elucidated, it is obviousthat 100 member 12, has located at its respective 105 ends, verticallyalined branches 17 and 18 respectively, between which may beaccommodated a journal boxing or the like, as subsequently described,said branches being connected through the instrumentality of 110removable bolts, or the like fastening members, as at 19, whereby theymay be drawn together sufliciently to grip the journal boxing or otherstructure engaged. Although not limiting myself in any way to theconstruction shown, it may be advisable to cut away the upper branch 17as at 20, in order* to accommodate the head of bolts 19. Other fasteningmembers, such as shown at 21,. mayv be associated with branch members18, as shown in Fig. 2, in order to securely retain the same in place.

The intermediate portion of body member 12 has located therein, atransverse opening 22 that is substantially alinedwith partition member13 above referred to, the said opening being designed to receive one endof the bolster v11. Bolster 11, like t-ruck frame 10, is preferablyconstructed of cast metal or of an approximately similar construction,the end-s thereof being slightly reduced as shown in Fig. 3 whereby.they may be readily accommodated in the openings 22 of ythe truckframe, as previously pointed out. Adjacent one end, bolster 11 isprovided with spaced bearings 23 and 24. between which is provided asocket 25 for reception ofboxing 26 that is substantially U-shaped incross section, as in Fig. 9. Subsequent to the arrangement of boxing26', in position, between bearings 23 and 2.4, plate 28, such as shownin detail in Fig. 8, may be engaged with the boxing as in Fig. 3., and abolt or other securing pivot 29 passed through the said bearings, boxingand plate, in order to firmly secure the relative parts in position.When thus secured in place, carrying plate 28 projectsinto slot 14 ofpartition 13 above referred to, and also projects to each side of thesaid partition 13, asshown in Fig. 5,. Socket members 30 may now bepivotally connected to the respective end portions of plate 28 by meansof their respective pairs of spaced bearings 31 and fastening members orpivots 32, subsequent to which cushioning. springs 33, preferably yofthe heavy duty type, may be positioned. in sockets or spring seats 17 ofthe truck frame so as to engage with socket members 30' in the mannerclearly shown in Fig. 4. Conse-l quently, it will be recognized thatbolster 11 will be yieldingly supported with respect to the. truckframe; ,springs 33 compensating for the traffic shocks transmitted tothe truck frame from the respective axles 34 and wheels 35.

In order to connect the truck frames in pairs and precludethepossibility of lateral movement .thereof relative to one another, duringoperation, I preferably equip each frame with an outstanding lug orbearing portion 36 which. carries at its free. terminal, an upstandinglip 37. A connecting plate39 is then employed (sce Fig. 10.), the said,connecting plate having enlargements 40 ateach: end, to. rideupon the"said bearings 36, in theV manner illustrated in Fig. 3. After connectingplate has been arranged in position, a` bolt 4f VorA other suitablefastening member may be passed through the respectiveenlargements andthe bearings 36 in 'order to insure an efficient connection there- Y'between.

As will be noted upon reference to Fig. I, I provide truck frame 10 withsuitably spaced hooks or bearingA portions 42, in order to facilitatethe connecting of the truck frame with the ordinary brakebeam (notshown) by means of the usual chains. rIhese .hook portions'Y arepreferably of a nature thatwill permit o f the quick. and easy removalor attachment of the connecting chain, in order to increase the generalconvenience of the device.

I also provide the bolster 11 with an im.- proved fulcrum casting,` (seeFig. 7), the s ame consisting yof a bearing portion 43, whichl carriesright angularly disposed flanges. 44 and 45, for attachment to therespective side and to-p walls of the bolster, as illustrated. Bearingportion 43 is also provided with athrough opening 46. Bolts. 47 may alsobe utilized for retaining this bracket in position.

From the4 above, it .will be recognized that while the pairs of ltruckAframes serve to efficiently connect and coperatewith the axles 34 whichare, o-f course, of? conventional form, it will also be appreciated thatthe said truck frames provide an efficient support for the bolster7 andpermit of the in.- troduction of means thereinto to yieldingly supportthe bolster and thus compensate for traffic shocks which would otherwisebe conveyed thereto. 4 Truck frames 10 are connected by means of plate39, shown in detail in Fig. 10, while the bolster 11is free to movevertically therein, during operation of the car or other structure,'uponl which the device is used.

In reducing my invention to practice I find that the form referred toherein as the 1. The combination of a truck frame mem-l ber having asocketed portion and a slotted partition within the socket thereof, abolster" having one end disposed abovesaid partition, a member extendingthrough theslotof said partition and supporting one end of said bolster,and means mounted in the socketed portion and at opposite sides of saidpartition for yieldingly supporting said member.

Q. The combination of a truck frame member provided with a pair ofspring seats, vertical guiding elementsbetween said spring seats, asupporting member extending between the said vertical guiding elements,spring seat elements connected to the respective ends of said supportingmember, a bolster having one of its ends associated with said supportingmember, and springs coperating with the first said spring seat and thesecond said spring seat and with said supporting member for yieldinglysupporting one end of said bolsterT 3. In a device of the characterdescribed, the combination with a truck frame member including acentrally located socketed p0rtion and an opening communicating withsaid socketed portion, of a bolster having one end disposed in saidopening, a plate carried by said bolster and having its ends projectinglaterally thereof within the socketed portion of said truck framemember, members pivotally mounted at the end portions of said plate, andyieldable means interposed between said members and the face of thesocketed portion of said truck frame member to yieldingly support saidbolster, substantially7 as described.

4. In a device of the character described, a truck frame memberconsisting of a skeleton body having a centrally located socketedportion, and a partition in said socketed portion, said partition beingslotted transversely, said truck frame member being pro vided with anopening above the aforesaid socketed portion; in combination with abolster having one end disposedin said opening, a plate pivotallymounted on said bolster and operating in the slotted portion of saidpartition, members pivotally mounted adjacent the ends of said plate,and coil springs interposed between the base of the socketed portion ofsaid truck frame member and said last mentioned members, to

yieldingly support said bolster, substantially as described.

l5. In a device of the character described, a truck frame membercomprising-a skeleton body having a centrally located socketed portion,and a partition extending transversely of the socketed portion andhaving a transverse slot intermediate its ends, said truck frame memberhaving an opening therein above and in alinement with said partition; incombination with a bolster having one end passed into said opening, aplate pivotally mounted at the end of said bolster and operating in theslot of said partition, members pivotally mounted at the respective freeterminals or' said plates and disposed at each side ci' said partition,and coil springs interposed between said last mentioned members and thebase of the socketed portion oi said truck frame member, therebyproviding cushions for said bolster.

6. In a device of the character described, a truck frame membercomprising a body having a centrally located socketed portion, and apartition transversely disposed in said soclreted portion and having anintermediate transverse slot, said truck frame member having an openingtherein above and in alinement with said partition; the combination witha bolster having one end in said opening, a plate pivotally connectedintermediate its ends with said bolster and operating in the slot ofsaid partition, members pivotally mounted on said plate adjacent itsrespective free terminals, and coil springs interposed between said lastmentioned members and the base of said socketed portion; whereby saidbolster will be cushioned both upon movement vertically with respect tothe truck frame member and slight turning movement with respect thereto.

In testimony whereof I aiilX my signature in presence of two witnesses.

, ALBERT H. voss.

Witnesses GEORGE SOTHMANN, PETER NrooLAUs BnHRENs.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Eatente, Washington, D. C.

